Hot Runner Valve Pin:

1. Material: SKH51, SKD61 (can be custom-made according to customer requirements).

2. Hardness: HRC59-61 (SKH51), HRC50-55 (SKD61).

3. Tolerance: ±0.001 mm

4. Surface treatments: Titanium nitride (TiCN) coating, chromium nitride coating, hard chrome plating, aluminum titanium nitride coating, nitriding, and nanoscale coatings (nARo2), among others—each achieving a surface hardness of HV2400 or higher (coatings available upon customer request).

5. Concentricity: 0.002mm

6. Precision: The precision of the effective mating area for the valve needle is within 0.002 mm, and valve needles of the same specification can be interchangeably matched with their corresponding valve sleeves.

7. Common valve needle size machining range: Diameter 2–13.5 mm; length 100–1500 mm.
Customized Processing
No
Item Number
RY018
Type
Mold Hot Runner System
Brand
Ruiying
Model
F6-1500MM
Applicable Mold Type
Plastic mold
Product Alias
Needle valve stem and spool
Entity Processing
High-temperature heat treatment + cryogenic treatment
Material/Ingredients
SKH51 High-Speed Steel
Surface Treatment
Aluminum Titanium Nitride / Titanium Nitride / Chromium Nitride / Titanium Carbonitride

High-performance mold hot runner system dedicated titanium-plated valve pin, valve core, and slide pin

3–10 mm diameter, 150–1500 mm length, with precision within ±0.001 mm—thermal runner titanium-plated valve pin

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